At the A1 level, 'encrypt' is a very new word. It means to make a message secret using a computer. Think of it like a secret code. When you send a message on your phone, the phone changes the words into a code so that only your friend can read it. This keeps your message safe. You might hear this word when you use apps like WhatsApp. It is a way to say 'make it safe' or 'hide it from bad people'. You don't need to know how it works, just that it helps protect your information. For example, 'I encrypt my phone' means my phone is safe with a password.
At the A2 level, you can understand 'encrypt' as a verb used in technology. It means to change information into a special code so that other people cannot read it. This is important for things like passwords and credit card numbers. When you shop online, the website will encrypt your details. This means if a hacker tries to steal your information, they will only see random letters and numbers. You can use it in simple sentences like, 'The app encrypts my texts.' It is a useful word to know when talking about internet safety and using computers or smartphones securely.
At the B1 level, 'encrypt' is a technical term that you should be able to use in discussions about privacy and security. It refers to the process of using an algorithm to transform plain text into cipher text. This process requires a 'key' to reverse it. You might use this word when talking about your work or your digital habits. For example, 'It is important to encrypt sensitive files before uploading them to the cloud.' You understand that encryption is a standard practice for protecting data. You can also distinguish between 'encrypting' (the action) and 'encryption' (the noun).
At the B2 level, you should be comfortable using 'encrypt' in both technical and semi-formal contexts. You understand that there are different methods to encrypt data, such as end-to-end encryption. You can discuss the importance of encryption in the context of civil liberties and government surveillance. For instance, you might say, 'The debate over whether companies should encrypt user data by default is quite complex.' You are aware of the nuances, such as the difference between encrypting data 'at rest' versus data 'in transit'. You can also use the word metaphorically to describe complex or hidden communication.
At the C1 level, you have a precise command of the word 'encrypt'. You use it to describe specific cryptographic processes and can discuss the mathematical foundations of how we encrypt information. You might use it in a professional setting to explain security protocols, such as 'We utilize AES-256 to encrypt all client-side data.' You are also familiar with related terms like 'asymmetric encryption' and 'public-key cryptography'. You can write detailed reports or essays about the ethical implications of encryption in the digital age, using the word accurately within complex grammatical structures and high-level vocabulary.
At the C2 level, 'encrypt' is a fundamental part of your technical and academic vocabulary. You can use it with absolute precision, discussing the evolution of encryption from ancient ciphers to quantum-resistant algorithms. You understand the subtle distinctions between encrypting, hashing, and obfuscating, and you can explain these differences to others. You might use the word in philosophical discussions about the nature of secrecy and information in a connected world. Your usage is indistinguishable from that of a native speaker who is an expert in the field of cybersecurity or information technology.

encrypt 30秒で

  • Encrypt means converting data into a secret code to prevent unauthorized access and ensure digital privacy.
  • It is a verb used primarily in technology and cybersecurity to describe the protection of sensitive information.
  • Common examples include encrypting emails, hard drives, and messaging app conversations to keep them safe from hackers.
  • The process requires a mathematical algorithm and a specific key or password to reverse the transformation.

The term encrypt refers to the sophisticated process of converting information or data into a code, especially to prevent unauthorized access. In the simplest terms, it is like taking a clear, readable message and turning it into a secret language that only you and the intended receiver can understand. This is achieved through complex mathematical formulas known as algorithms. When you encrypt something, you are essentially locking it in a digital safe where the only way to open it is with a specific digital key. This concept is fundamental to modern life because almost everything we do online involves some form of encryption to keep our personal details, such as bank account numbers, passwords, and private messages, safe from hackers and prying eyes.

Digital Privacy
Encryption is the primary tool used by software developers to ensure that user data remains private during transmission across the internet.

Historically, encryption was used primarily by governments and militaries to send secret orders during wartime. One of the most famous early examples is the Caesar Cipher, where each letter in a message was shifted a certain number of places down the alphabet. Today, however, encryption is ubiquitous. Every time you visit a website that starts with 'https', your browser is using encryption to communicate with the server. This ensures that even if someone were 'listening' to your internet connection, they would only see a scrambled mess of characters rather than your login credentials or credit card information. The beauty of modern encryption lies in its complexity; while a human could solve a simple Caesar Cipher in minutes, modern 256-bit encryption would take the world's fastest supercomputers billions of years to crack through brute force.

The application will automatically encrypt your files before they are uploaded to the cloud storage server.

We use this word most often in technical contexts, but it has entered the common vocabulary as people become more aware of their digital footprint. You might hear a news reporter talk about 'end-to-end encryption' in messaging apps like WhatsApp or Signal. This means that the message is encrypted on your device and only decrypted on the recipient's device, so not even the company providing the service can read what you wrote. This has sparked significant debate between privacy advocates, who believe everyone has a right to secure communication, and law enforcement agencies, who argue that encryption can be used by criminals to hide their activities. Understanding how to encrypt data is no longer just for computer scientists; it is a basic skill for anyone who wants to maintain their security in the 21st century.

Security Protocols
To encrypt a hard drive means to protect all the physical data on a computer so that it cannot be read if the laptop is stolen.

In a broader sense, 'encrypt' can also be used metaphorically to describe someone speaking in a way that is difficult to understand or full of hidden meanings. For example, 'The politician's speech was so full of jargon that it seemed designed to encrypt his true intentions.' However, its primary and most important use remains in the realm of cybersecurity. As we move toward a future with quantum computing, the methods we use to encrypt data are evolving to become even more resilient. The goal remains the same: to ensure that information remains accessible only to those who are authorized to see it, preserving the integrity and confidentiality of our global communication networks.

If you want to keep your journal private, you should encrypt the document with a strong password.

End-to-End
A method of communication where only the communicating users can read the messages.

Modern browsers encrypt your connection to prevent hackers from stealing your session cookies.

It is standard practice for companies to encrypt sensitive customer data stored in their databases.

You can encrypt an entire USB drive to ensure that your files are safe if you lose it.

Using the word encrypt correctly requires understanding its role as a verb that describes an action taken upon data or information. It is a transitive verb, meaning it usually takes a direct object—the thing that is being turned into code. For instance, you 'encrypt a message', 'encrypt a file', or 'encrypt a connection'. The word is versatile and can be used in various tenses and moods. In the present tense, you might say, 'The software encrypts data in real-time.' In the past tense, you would say, 'The IT department encrypted all the company laptops last week.' In the future tense, it becomes, 'We will encrypt the backup tapes before sending them to the off-site storage facility.'

Active Voice
The system will encrypt your password as soon as you click 'Submit'.

One common way to use 'encrypt' is in the passive voice, which focuses on the data itself rather than the person or system doing the encrypting. For example, 'The data is encrypted using a 256-bit key.' This is very common in technical documentation and privacy policies. It is also important to note the relationship between 'encrypt' and its counterpart, 'decrypt'. You encrypt to hide information, and you decrypt to reveal it. Using these two words together can help clarify a process: 'The sender must encrypt the email, and the recipient must use their private key to decrypt it.' This pair of actions forms the basis of secure communication.

To protect your privacy, this app will encrypt all outgoing traffic.

In more formal or academic writing, you might see 'encrypt' used in discussions about cryptography, cybersecurity, and data ethics. Here, it often appears in the context of 'best practices' or 'legal requirements'. For example, 'Failure to encrypt sensitive patient records can lead to significant legal penalties for healthcare providers.' In these sentences, 'encrypt' is not just a technical action but a professional and ethical obligation. You can also use the word in a conditional sense: 'If you do not encrypt your Wi-Fi network, anyone nearby can potentially see your internet activity.' This usage highlights the consequences of not taking the action.

Imperative Mood
Please encrypt the attachment before you send it to the client.

When talking to children or non-technical people, you can simplify the usage by comparing it to 'scrambling' or 'locking'. You might say, 'The computer will encrypt your message so it looks like gibberish to anyone else.' This helps convey the meaning without getting bogged down in the mathematics of cryptography. In a business setting, you might hear it used in the context of 'data at rest' (data stored on a drive) or 'data in transit' (data moving across a network). For example, 'We need to ensure that we encrypt all data at rest to comply with the new security policy.' This shows how the word is used to define specific security requirements.

Hackers often encrypt a victim's files and demand a ransom to unlock them.

Future Intent
The developers plan to encrypt the entire database by the end of the quarter.

Does this software encrypt the data locally or on the server?

You should always encrypt sensitive information before sharing it over public Wi-Fi.

The new update will encrypt all user metadata to improve privacy.

You will encounter the word encrypt in a variety of real-world settings, ranging from technical support calls to high-level political debates. One of the most common places is within the settings menus of your electronic devices. When you set up a new iPhone or Android device, you might see a notification that the phone is 'encrypting' your data to keep it safe. Similarly, when you look at the privacy settings of a messaging app like WhatsApp, you will see the phrase 'Messages are end-to-end encrypted'. This is a direct application of the verb, informing you that the service is actively protecting your conversations. Hearing this word in these contexts is meant to provide a sense of security and trust between the user and the service provider.

Tech Support
'To secure your router, you should encrypt your wireless signal with a WPA3 password.'

In the workplace, particularly in fields like finance, healthcare, or law, 'encrypt' is a word used daily. IT professionals will often remind employees to 'encrypt sensitive spreadsheets' before emailing them to clients. You might hear it during a corporate training session on data protection or see it in an internal memo about new security protocols. In these environments, the word carries a weight of responsibility. If a company fails to encrypt its data and suffers a breach, the consequences are often discussed in the news. Journalists will report that 'The company failed to encrypt the personal information of millions of customers,' highlighting the word as a standard of care that was not met.

The news report stated that the hackers were unable to read the stolen files because the bank had chosen to encrypt them.

The word also appears frequently in the world of entertainment, specifically in spy movies or techno-thrillers. A character might say, 'I need five minutes to encrypt the drive before they break down the door!' or 'They used a military-grade algorithm to encrypt the coordinates.' In these fictional scenarios, the word 'encrypt' adds a layer of modern intrigue and technical realism. It represents the high-stakes battle between those who want to hide information and those who want to find it. While the movies often exaggerate how quickly encryption can be done or broken, they have helped make the word a household term that everyone associates with secrets and high-tech security.

Political Discourse
'Governments are debating whether tech companies should be allowed to encrypt user data without providing a backdoor for police.'

Finally, you will hear 'encrypt' in the context of cryptocurrency and blockchain technology. The very name 'cryptocurrency' comes from the word 'cryptography', which is the science of encrypting and decrypting information. People in this space talk about how the blockchain uses mathematical functions to 'encrypt transactions' and secure the network. Whether you are talking about Bitcoin, online banking, or just sending a private text, the word 'encrypt' is the common thread that describes how we maintain trust in a digital world. It is a word that bridges the gap between complex mathematics and our everyday need for privacy and safety.

Before you sell your old computer, make sure you encrypt and then wipe the hard drive.

Gaming
'The game developers encrypt the save files to prevent players from cheating or modifying their stats.'

The whistleblower used a special tool to encrypt his location data.

It is essential to encrypt your cloud backups to prevent data leaks.

The smart home device will encrypt the voice recordings before sending them to the server.

One of the most frequent mistakes people make with the word encrypt is confusing it with other similar-sounding or related technical terms like 'encode', 'hash', or 'obfuscate'. While they all involve changing data, they serve very different purposes. To encrypt something means you want to keep it secret and only allow authorized people with a key to read it. To encode something, however, usually means changing its format so it can be easily read by different systems (like turning a video into an MP4 file). Encoding is not for security; anyone can decode an encoded file if they know the format. Using 'encrypt' when you mean 'encode' can lead to confusion about how secure a piece of data actually is.

Encrypt vs. Hash
You encrypt data so you can turn it back into its original form later. You 'hash' data (like a password) to create a one-way fingerprint that can never be turned back into the original text.

Another common error is using 'encrypt' as a noun. While the prompt mentions it as a noun, in standard English, 'encrypt' is strictly a verb. The noun form is 'encryption'. You would say, 'The encryption was strong,' not 'The encrypt was strong.' Using the verb form as a noun is a common slip-up for non-native speakers or those new to technical jargon. Similarly, people sometimes confuse 'encrypt' with 'scramble'. While scrambling is a way to describe the result of encryption, 'encrypt' implies a specific, mathematical, and reversible process. 'Scramble' is more informal and doesn't necessarily imply that there is a key to 'unscramble' it in a secure way.

Incorrect: I need to put an encrypt on this file.
Correct: I need to encrypt this file.

People also often misunderstand the scope of what it means to 'encrypt'. Some believe that if they 'encrypt' a file, it is now impossible for anyone to ever see it. However, encryption is only as strong as the key (password) used. If you encrypt a file with the password '12345', it is barely protected at all. This leads to a false sense of security. It is important to use the word in a way that acknowledges the strength of the process. For example, 'We must use a strong algorithm to encrypt the data.' Using the word without considering the strength of the method can be a conceptual mistake in professional settings. Additionally, some people use 'encrypt' when they actually mean 'hide' (steganography). Hiding a file is not the same as encrypting it; a hidden file is still readable if found, while an encrypted file is unreadable even if found.

Encrypt vs. Obfuscate
To 'obfuscate' code means to make it confusing for a human to read. To 'encrypt' code means to make it impossible for a computer to execute without a key.

Finally, there is the mistake of thinking that encrypting data makes it 'safe' from all threats. Encryption only protects the confidentiality of the data. It does not prevent the data from being deleted or corrupted. If a hacker deletes your encrypted files, they are still gone. Therefore, it is a mistake to say, 'I don't need backups because I encrypt my data.' Encryption and backups are two different parts of a security strategy. Understanding these nuances ensures that you use the word 'encrypt' accurately and that you understand the actual security benefits it provides in a digital context.

Incorrect: The website will encrypt my video so it plays on my phone.
Correct: The website will encode my video so it plays on my phone.

Word Usage
Avoid using 'encrypt' to describe physical locks. You 'lock' a door; you 'encrypt' a digital folder.

Don't confuse encrypt with 'cipher'. A cipher is the *method* used to encrypt.

Always remember that to encrypt is the action, and 'encrypted' is the state of the data.

You cannot encrypt a physical piece of paper; you can only use a cipher to write on it.

While encrypt is the most precise and modern term for securing data through coding, there are several other words you might use depending on the context and the level of formality. Understanding these alternatives will help you choose the right word for the right situation. The most common synonym is code or encode, though as we discussed, these are often less about security and more about organization. However, in casual conversation, someone might say, 'I coded the message,' and people will understand they meant they made it secret. Another related word is cipher, which is often used as a verb in historical contexts, such as 'The general ciphered his orders.'

Encrypt vs. Scramble
'Scramble' is a more informal, visual way to describe encryption. It suggests mixing things up so they don't make sense. 'Encrypt' is the professional, technical term.

In the world of cybersecurity, you might hear the term secure used as a broader alternative. Instead of saying 'We need to encrypt the database,' someone might say 'We need to secure the database.' While 'secure' can include many things like firewalls and passwords, encryption is usually a key part of that security. Another technical alternative is protect. To 'protect a file' often implies adding a password or encryption to it. If you are looking for a more academic or old-fashioned word, conceal or obscure might fit, though these don't necessarily imply the use of a mathematical code. They simply mean to hide something from view.

Instead of saying 'encrypt', you can say 'convert to code' if you are talking to someone who doesn't know tech terms.

There are also words that describe the result of encrypting. For example, unreadable or indecipherable. If a file is successfully encrypted, it becomes indecipherable to anyone without the key. In some niche contexts, you might hear lock down. 'We need to lock down these communications' usually means using high-level encryption. Conversely, it is helpful to know the opposites. The most direct opposite is decrypt, but you could also use decode, unscramble, or reveal. Knowing these pairs helps you describe the entire lifecycle of a secret message, from its creation to its eventual reading by the intended person.

Encrypt vs. Cipher
'Cipher' is often used for the specific algorithm (e.g., the AES cipher), while 'encrypt' is the action of using that algorithm.

In specific industries, you might find even more specialized terms. In the military, they might use crypto as a prefix or shorthand, as in 'crypto-security'. In the legal world, they might talk about redacting information, which is different from encrypting because it involves permanently removing text rather than just coding it. Understanding these subtle differences ensures that you don't just have a large vocabulary, but a precise one. Using 'encrypt' correctly marks you as someone who understands the digital landscape and the importance of data integrity in the modern age.

The spy had to encrypt the coordinates using a one-time pad to ensure they couldn't be traced.

Synonym Comparison
'Encode' is for compatibility; 'Encrypt' is for security; 'Hash' is for verification.

Can you encrypt this folder so my kids don't accidentally open my work files?

The government decided to encrypt all diplomatic cables after the last major leak.

If you encrypt your hard drive, make sure you don't lose the recovery key!

How Formal Is It?

豆知識

The word 'crypt' (a burial chamber) comes from the same Greek root because it is a hidden place underground.

発音ガイド

UK /ɪnˈkrɪpt/
US /ɛnˈkrɪpt/
Second syllable: en-CRYPT
韻が合う語
script clipped shipped tipped dipped slipped whipped gripped
よくある間違い
  • Pronouncing it as 'en-creept'
  • Putting the stress on the first syllable
  • Confusing it with 'crypt'
  • Adding an extra 'ed' sound in the present tense
  • Misspelling it as 'encript'

難易度

読解 3/5

Common in tech articles but requires some context.

ライティング 4/5

Spelling and usage as a verb vs. noun can be tricky.

スピーキング 3/5

Pronunciation is straightforward once learned.

リスニング 2/5

Distinct sound, usually easy to catch in tech contexts.

次に学ぶべきこと

前提知識

secret code safe computer password

次に学ぶ

decrypt algorithm privacy security firewall

上級

cryptography steganography asymmetric ciphertext protocol

知っておくべき文法

Transitive Verbs

You must encrypt *the data*.

Passive Voice for Processes

The data *is encrypted* automatically.

Infinitive of Purpose

We use software *to encrypt* our files.

Gerunds as Subjects

*Encrypting* your drive is a good idea.

Modal Verbs for Advice

You *should* encrypt your backups.

レベル別の例文

1

I encrypt my phone with a password.

I make my phone safe with a secret code.

Subject + verb + object.

2

Does this app encrypt my messages?

Does this app make my messages secret?

Question form with 'does'.

3

Please encrypt the file now.

Please make the file secret now.

Imperative mood.

4

He wants to encrypt his email.

He wants to make his email secret.

Infinitive after 'wants to'.

5

We encrypt our data every day.

We make our data secret every day.

Present simple tense.

6

They encrypt the secrets.

They make the secrets into a code.

Simple plural subject.

7

She can encrypt the picture.

She is able to make the picture secret.

Modal verb 'can'.

8

It is good to encrypt your files.

It is a good idea to make your files secret.

It is + adjective + to + verb.

1

You should encrypt your Wi-Fi password.

It is a good idea to code your Wi-Fi.

Modal 'should' for advice.

2

The computer will encrypt the information automatically.

The computer will code the info by itself.

Future tense with 'will'.

3

I forgot to encrypt the document before sending it.

I didn't code the document before I sent it.

Past simple with 'forgot to'.

4

Why do we need to encrypt our hard drives?

Why is it necessary to code our drives?

Question with 'why' and 'need to'.

5

The website uses a system to encrypt your credit card.

The site codes your card info.

Present simple with a purpose clause.

6

She is learning how to encrypt her personal photos.

She is learning the way to code her photos.

Present continuous + 'how to'.

7

They encrypted the data yesterday.

They coded the data yesterday.

Past simple with '-ed'.

8

Is it difficult to encrypt a folder?

Is coding a folder hard?

Interrogative with 'is it'.

1

If you encrypt your backups, they will be safe from thieves.

Coding your backups protects them.

First conditional.

2

The company policy requires us to encrypt all sensitive emails.

The rules say we must code secret emails.

Verb + object + infinitive.

3

I am looking for a tool that can encrypt large files quickly.

I need a fast coding tool.

Relative clause with 'that'.

4

He realized he hadn't encrypted the drive correctly.

He saw he made a mistake coding the drive.

Past perfect tense.

5

Encryption software allows you to encrypt individual folders.

Software lets you code folders.

Allow + object + infinitive.

6

We are encrypting the database to comply with new laws.

We are coding the database for legal reasons.

Present continuous for current action.

7

The message was encrypted using a very strong key.

The message was coded with a strong password.

Passive voice.

8

You can choose to encrypt your entire operating system.

You can code the whole computer system.

Choose + to + infinitive.

1

It is standard practice to encrypt data both at rest and in transit.

Coding data everywhere is normal.

Formal 'it is' construction.

2

The developers decided to encrypt user metadata for better privacy.

They chose to code extra user info.

Decided + to + infinitive.

3

Unless you encrypt your connection, your data might be intercepted.

Without coding, your data is at risk.

Conditional with 'unless'.

4

The government's proposal to ban apps that encrypt messages is controversial.

The plan to stop coding apps is debated.

Noun + infinitive phrase.

5

We need to encrypt the logs to prevent unauthorized access to user activity.

Code the logs so no one can see them.

Infinitive of purpose.

6

Many modern smartphones encrypt data by default during the setup process.

Phones code data automatically now.

Adverbial phrase 'by default'.

7

The whistleblower used a VPN to encrypt his internet traffic.

He used a tool to code his web activity.

Past simple + infinitive of purpose.

8

Is there any way to encrypt a file without using third-party software?

Can I code a file with just my computer?

Interrogative with 'is there'.

1

The protocol was designed to encrypt communications without compromising speed.

The system codes fast without slowing down.

Passive voice + without + gerund.

2

Failure to encrypt sensitive data could result in a massive security breach.

Not coding data leads to big problems.

Gerund phrase as subject.

3

They employ sophisticated algorithms to encrypt every transaction on the platform.

They use complex math to code deals.

Present simple + complex object.

4

The challenge is to encrypt the data in a way that remains accessible to authorized users.

Code it but let the right people in.

Complementary infinitive phrase.

5

Researchers are developing new ways to encrypt data that are resistant to quantum attacks.

New coding for supercomputers.

Present continuous + relative clause.

6

The software automatically attempts to encrypt any outgoing traffic it detects.

It tries to code everything going out.

Adverb + verb + infinitive.

7

By choosing to encrypt their communications, activists can protect themselves from surveillance.

Coding helps activists stay safe.

Prepositional phrase + gerund.

8

The company was sued for failing to encrypt the personal information of its clients.

They were in trouble for not coding info.

Passive voice + for + gerund.

1

The mandate to encrypt all federal records was met with significant logistical hurdles.

The order to code records was hard to do.

Noun + infinitive as subject.

2

To encrypt information effectively, one must understand the trade-offs between security and performance.

Good coding requires knowing the costs.

Infinitive phrase + 'one must'.

3

The system's inability to encrypt legacy data proved to be its greatest vulnerability.

Not being able to code old data was bad.

Possessive noun + 'inability to'.

4

Should the firm fail to encrypt these assets, the legal ramifications would be catastrophic.

If they don't code, the law will be harsh.

Inverted conditional (Should...).

5

The sheer complexity of the task to encrypt the entire network cannot be overstated.

Coding the whole network is very hard.

Passive voice with 'cannot be'.

6

They sought to encrypt the data at the hardware level to ensure maximum integrity.

They coded it inside the chips.

Sought + to + infinitive.

7

The debate centers on whether the right to encrypt one's data is an absolute human right.

Is coding a basic right for everyone?

Noun clause with 'whether'.

8

Advanced persistent threats often target the very mechanisms used to encrypt sensitive information.

Hackers attack the coding tools.

Complex subject + active verb.

類義語

encode scramble cipher secure protect

反対語

decrypt decode decipher

よく使う組み合わせ

encrypt data
encrypt files
encrypt messages
encrypt a drive
automatically encrypt
end-to-end encrypt
encrypt sensitive information
encrypt a connection
encrypt with a password
fail to encrypt

よく使うフレーズ

end-to-end encryption

— A system where only the sender and receiver can read messages.

WhatsApp uses end-to-end encryption.

encrypt on the fly

— To encrypt data as it is being written or sent.

The drive can encrypt on the fly.

military-grade encryption

— A marketing term for very strong encryption algorithms.

Our app features military-grade encryption.

encrypt at rest

— Protecting data that is stored on a disk or server.

We encrypt all customer data at rest.

encrypt in transit

— Protecting data as it moves across a network.

Data must be encrypted in transit.

full disk encryption

— Encrypting every bit of data on a hard drive.

I enabled full disk encryption on my laptop.

public key encryption

— A method using two different keys for security.

Public key encryption is the basis of the web.

asymmetric encryption

— Encryption using a pair of related keys.

Asymmetric encryption is more secure for the web.

symmetric encryption

— Encryption using the same key for both sides.

Symmetric encryption is faster for large files.

zero-knowledge encryption

— A system where the service provider cannot see your data.

This cloud storage uses zero-knowledge encryption.

よく混同される語

encrypt vs encode

Encoding is for format; encrypting is for security.

encrypt vs hash

Hashing is one-way; encrypting is two-way (reversible).

encrypt vs obfuscate

Obfuscating makes things messy; encrypting makes them secret.

慣用句と表現

"hard to crack"

— Something that is very difficult to solve or decrypt.

This new encryption is really hard to crack.

informal
"under lock and key"

— Securely stored and protected.

The encrypted files are kept under lock and key.

general
"speak in riddles"

— To speak in a way that is intentionally confusing (metaphorical encryption).

He's encrypting his meaning; he's speaking in riddles.

literary
"crack the code"

— To solve a difficult problem or decrypt a message.

It took them weeks to crack the code.

general
"behind a wall"

— Protected by security or encryption.

Your data is safe behind a wall of encryption.

informal
"keep it on the down low"

— To keep something secret.

We need to encrypt this and keep it on the down low.

slang
"seal of approval"

— Official confirmation (sometimes used for security certificates).

The encryption method has the expert's seal of approval.

general
"top secret"

— Highly confidential information.

They had to encrypt the top secret documents.

formal
"eyes only"

— Information meant for a specific person.

This encrypted file is for your eyes only.

formal
"break into"

— To gain unauthorized access (often by bypassing encryption).

They tried to break into the encrypted server.

informal

間違えやすい

encrypt vs encode

Both change the appearance of data.

Encoding is public and standardized; encryption is private and requires a key.

We encode the video for YouTube, but we encrypt our passwords.

encrypt vs hash

Both are used in security.

A hash cannot be turned back into the original data; encryption can be decrypted with a key.

The site hashes your password but encrypts your credit card number.

encrypt vs cipher

They are very closely related.

A cipher is the *tool* or *method*; encrypt is the *action* of using it.

Use this cipher to encrypt the message.

encrypt vs scramble

Both mean making something unreadable.

Scramble is informal and vague; encrypt is technical and implies a mathematical process.

The TV signal was scrambled, but the bank data was encrypted.

encrypt vs hide

Both aim to keep things secret.

Hiding (steganography) makes the data invisible; encrypting makes it visible but unreadable.

He hid the file in a picture, but he also encrypted it for extra safety.

文型パターン

A1

I encrypt [thing].

I encrypt my phone.

A2

You should encrypt [thing].

You should encrypt your email.

B1

It is important to encrypt [thing].

It is important to encrypt sensitive files.

B2

The software will encrypt [thing] automatically.

The software will encrypt the data automatically.

C1

Failure to encrypt [thing] leads to [result].

Failure to encrypt records leads to fines.

C2

The mandate to encrypt [thing] was [adjective].

The mandate to encrypt records was controversial.

B1

[Thing] is encrypted by [agent].

The message is encrypted by the app.

B2

Unless you encrypt [thing], [consequence].

Unless you encrypt your Wi-Fi, hackers can see your data.

語族

名詞

encryption
cryptography
cryptogram
cryptographer
ciphertext

動詞

encrypt
decrypt
crypt

形容詞

encrypted
unencrypted
cryptographic
cryptic

関連

cipher
key
algorithm
security
privacy

使い方

frequency

Common in tech, business, and news contexts.

よくある間違い
  • Using 'encrypt' as a noun. Using 'encryption' as the noun.

    You don't 'put an encrypt' on a file; you 'encrypt' the file or 'add encryption'.

  • Confusing 'encrypt' with 'encode'. Use 'encrypt' for security and 'encode' for formatting.

    Encoding is like translating to another language; encrypting is like locking it in a box.

  • Thinking encryption makes data 'un-deletable'. Understand that encryption only protects privacy.

    A hacker can still delete your encrypted files. You still need backups!

  • Saying 'I encrypted my password' for a website. The website 'hashed' your password.

    Passwords are usually hashed (one-way), while files are encrypted (two-way).

  • Assuming all 'secure' sites encrypt everything. Check for 'https' and specific privacy policies.

    A site might encrypt your login but not your public comments or profile data.

ヒント

Use Strong Passwords

When you encrypt a file, the security is only as good as your password. Use a mix of letters, numbers, and symbols to make it hard to guess.

Don't Lose Your Key

Always keep a backup of your encryption keys in a safe place. If you lose them, you will lose access to your data forever.

Encrypt Backups

It's not enough to encrypt your main computer. Make sure you also encrypt any external hard drives or cloud services where you keep backups.

Check App Settings

Many apps have an option to 'encrypt backups' or 'use secure chat'. Make sure these are turned on in your settings menu.

Full Disk Encryption

For the best security, use 'Full Disk Encryption' (like BitLocker on Windows or FileVault on Mac) to protect everything on your laptop.

Encrypt Attachments

If you must send sensitive info via email, encrypt the file first and share the password with the recipient through a different channel, like a phone call.

Learn the Basics

Understanding how to encrypt data is a key part of digital literacy. Take a few minutes to learn how the tools on your device work.

Public Wi-Fi

Always use a VPN to encrypt your traffic when you are using public Wi-Fi at a cafe or airport to prevent people from stealing your data.

Zero Knowledge

Look for services that offer 'zero-knowledge encryption'. This means the company cannot see your data even if they wanted to.

Encryption is for Criminals

This is a myth. Encryption is a vital tool for journalists, businesses, and everyday people who want to keep their private lives private.

暗記しよう

記憶術

Think of putting a message into a 'crypt' (a secret underground room) to hide it. En-crypt.

視覚的連想

Imagine a normal text message turning into a pile of scrambled puzzle pieces that only one person can put back together.

Word Web

Security Privacy Code Password Algorithm Digital Secret Key

チャレンジ

Try to explain to a friend how your phone keeps your messages safe using the word 'encrypt' three times.

語源

Derived from the Greek word 'kryptos', meaning 'hidden' or 'secret'. The prefix 'en-' means 'to put into'.

元の意味: To put into a hidden or secret state.

Greek/Latin roots via modern scientific English.

文化的な背景

Be aware that in some political contexts, 'encryption' can be a sensitive topic related to national security.

Commonly used in tech news and privacy discussions in the US, UK, and Australia.

The Enigma machine in WWII The movie 'The Imitation Game' The Apple vs. FBI encryption dispute

実生活で練習する

実際の使用場面

Cybersecurity

  • encrypt the database
  • strong encryption
  • data breach
  • security protocol

Mobile Apps

  • end-to-end encrypted
  • privacy settings
  • secure chat
  • backup encryption

Online Banking

  • secure connection
  • encrypt transactions
  • identity theft
  • SSL certificate

Corporate Policy

  • compliance requirements
  • encrypt sensitive data
  • IT standards
  • data protection

Personal Privacy

  • encrypt my phone
  • private files
  • password protect
  • hide my data

会話のきっかけ

"Do you think it's important for all messaging apps to encrypt our conversations?"

"Have you ever tried to encrypt a folder on your computer to keep it private?"

"What do you think would happen if banks didn't encrypt our financial data?"

"Do you know which apps on your phone use end-to-end encryption?"

"Is the right to encrypt our data a basic human right in the digital age?"

日記のテーマ

Write about a time you felt your digital privacy was at risk and how encryption could have helped.

Explain in your own words why a company should always encrypt customer information.

If you had a secret message to send, how would you encrypt it without using a computer?

Discuss the balance between the government's need for security and the individual's right to encrypt data.

Imagine a world where encryption didn't exist. How would your daily life change?

よくある質問

10 問

To encrypt a file means to use software to turn the information inside it into a secret code. This ensures that if someone else gets the file, they cannot read it without the correct password or key. It is a fundamental way to protect your digital privacy.

Not exactly. Password protecting might just mean putting a lock on the 'door' to the file. Encrypting means changing the actual data inside so it's unreadable. Often, they are used together: you use a password to start the process to encrypt or decrypt the data.

Yes, anyone can! Most modern computers and smartphones have built-in tools to encrypt your hard drive or your messages. There are also many free apps available that can help you encrypt individual files or folders easily.

It is called 'end-to-end' because the data is encrypted at one 'end' (your device) and only decrypted at the other 'end' (your friend's device). This means no one in the middle, including the company that owns the app, can see what you are sending.

While no system is 100% perfect, modern encryption is incredibly strong. It would take billions of years for a computer to guess the key. Most 'hacks' happen because someone stole the password or found a different way into the system, not by breaking the encryption itself.

In the past, it could, but modern computers have special chips designed to encrypt and decrypt data very quickly. Most people will not notice any difference in speed when they encrypt their hard drive or use encrypted apps.

This is the biggest risk of encryption. If you lose the key or forget the password, the data is usually lost forever. There is no 'forgot password' button for most high-level encryption because that would be a security weakness.

In most democratic countries, it is perfectly legal and even encouraged for security. However, some countries have laws that require you to give your keys to the police if they have a warrant, and a few countries restrict the use of strong encryption entirely.

The easiest way is to use a service that does it automatically, like ProtonMail. Alternatively, you can encrypt a document with a password and then attach it to a normal email, or use specialized software like PGP (Pretty Good Privacy).

Encrypt is the action of turning readable data into a secret code. Decrypt is the opposite action—turning that secret code back into readable data. You encrypt to hide it, and you decrypt to read it.

自分をテスト 180 問

writing

Write a sentence using 'encrypt' and 'phone'.

Well written! Good try! Check the sample answer below.

正解! おしい! 正解:
writing

Write a sentence using 'encrypt' and 'message'.

Well written! Good try! Check the sample answer below.

正解! おしい! 正解:
writing

Explain why you should encrypt your email.

Well written! Good try! Check the sample answer below.

正解! おしい! 正解:
writing

Write a sentence about a computer that can encrypt files.

Well written! Good try! Check the sample answer below.

正解! おしい! 正解:
writing

Describe the difference between encrypting and hiding a file.

Well written! Good try! Check the sample answer below.

正解! おしい! 正解:
writing

Write a short paragraph about end-to-end encryption.

Well written! Good try! Check the sample answer below.

正解! おしい! 正解:
writing

Discuss the pros and cons of government access to encryption keys.

Well written! Good try! Check the sample answer below.

正解! おしい! 正解:
writing

Write a formal email to your boss about encrypting the company database.

Well written! Good try! Check the sample answer below.

正解! おしい! 正解:
writing

Analyze the impact of quantum computing on modern encryption methods.

Well written! Good try! Check the sample answer below.

正解! おしい! 正解:
writing

Write a technical summary of how asymmetric encryption works.

Well written! Good try! Check the sample answer below.

正解! おしい! 正解:
writing

I ____ my secret.

Well written! Good try! Check the sample answer below.

正解! おしい! 正解:
writing

The app ____ my texts.

Well written! Good try! Check the sample answer below.

正解! おしい! 正解:
writing

We must ____ the files.

Well written! Good try! Check the sample answer below.

正解! おしい! 正解:
writing

The law says to ____ data.

Well written! Good try! Check the sample answer below.

正解! おしい! 正解:
writing

The system will ____ the traffic.

Well written! Good try! Check the sample answer below.

正解! おしい! 正解:
writing

Please ____ the note.

Well written! Good try! Check the sample answer below.

正解! おしい! 正解:
writing

Can you ____ the folder?

Well written! Good try! Check the sample answer below.

正解! おしい! 正解:
writing

It is good to ____ backups.

Well written! Good try! Check the sample answer below.

正解! おしい! 正解:
writing

They chose to ____ metadata.

Well written! Good try! Check the sample answer below.

正解! おしい! 正解:
writing

The mandate is to ____ records.

Well written! Good try! Check the sample answer below.

正解! おしい! 正解:
speaking

Say: 'I encrypt my phone.'

Read this aloud:

正解! おしい! 正解:
speaking

Say: 'Please encrypt the file.'

Read this aloud:

正解! おしい! 正解:
speaking

Explain how to encrypt a folder in three steps.

Read this aloud:

正解! おしい! 正解:
speaking

Ask a friend if they encrypt their messages.

Read this aloud:

正解! おしい! 正解:
speaking

Discuss why encryption is important for online banking.

Read this aloud:

正解! おしい! 正解:
speaking

Describe the process of encrypting a backup drive.

Read this aloud:

正解! おしい! 正解:
speaking

Argue for or against mandatory encryption for all websites.

Read this aloud:

正解! おしい! 正解:
speaking

Give a short presentation on end-to-end encryption.

Read this aloud:

正解! おしい! 正解:
speaking

Debate the ethical implications of unbreakable encryption.

Read this aloud:

正解! おしい! 正解:
speaking

Explain the difference between symmetric and asymmetric encryption.

Read this aloud:

正解! おしい! 正解:
speaking

Say: 'He wants to encrypt email.'

Read this aloud:

正解! おしい! 正解:
speaking

Say: 'The computer will encrypt it.'

Read this aloud:

正解! おしい! 正解:
speaking

Say: 'It is standard to encrypt data.'

Read this aloud:

正解! おしい! 正解:
speaking

Say: 'The government wants to ban it.'

Read this aloud:

正解! おしい! 正解:
speaking

Say: 'The protocol was designed well.'

Read this aloud:

正解! おしい! 正解:
speaking

Say: 'We encrypt secrets.'

Read this aloud:

正解! おしい! 正解:
speaking

Say: 'Why do we encrypt?'

Read this aloud:

正解! おしい! 正解:
speaking

Say: 'The message was encrypted.'

Read this aloud:

正解! おしい! 正解:
speaking

Say: 'The whistleblower used a VPN.'

Read this aloud:

正解! おしい! 正解:
speaking

Say: 'The mandate was met with hurdles.'

Read this aloud:

正解! おしい! 正解:
listening

Listen to the word: 'Encrypt'. Repeat it.

正解! おしい! 正解:
正解! おしい! 正解:
listening

Listen to a sentence: 'I need to encrypt my drive.' What does the speaker need to do?

正解! おしい! 正解:
正解! おしい! 正解:
listening

Listen to a tech tip about encryption and identify the main advice.

正解! おしい! 正解:
正解! おしい! 正解:
listening

Listen to a news report about a data breach and note if encryption was used.

正解! おしい! 正解:
正解! おしい! 正解:
listening

Listen to a lecture on cryptography and define 'ciphertext'.

正解! おしい! 正解:
正解! おしい! 正解:
listening

Listen: 'Encrypt the file.' Is it a command?

正解! おしい! 正解:
正解! おしい! 正解:
listening

Listen: 'Does it encrypt?' Is it a question?

正解! おしい! 正解:
正解! おしい! 正解:
listening

Listen: 'The data is encrypted.' Is it passive?

正解! おしい! 正解:
正解! おしい! 正解:
listening

Listen: 'We must encrypt logs.' Is it a necessity?

正解! おしい! 正解:
正解! おしい! 正解:
listening

Listen: 'They employ algorithms.' Is it formal?

正解! おしい! 正解:
正解! おしい! 正解:
listening

Listen: 'I encrypt secrets.' Who does it?

正解! おしい! 正解:
正解! おしい! 正解:
listening

Listen: 'She is learning.' What is she doing?

正解! おしい! 正解:
正解! おしい! 正解:
listening

Listen: 'It is important.' What is important?

正解! おしい! 正解:
正解! おしい! 正解:
listening

Listen: 'The law says so.' What does the law say?

正解! おしい! 正解:
正解! おしい! 正解:
listening

Listen: 'The complexity was high.' How was the complexity?

正解! おしい! 正解:
正解! おしい! 正解:

/ 180 correct

Perfect score!

関連コンテンツ

Technologyの関連語

abautoal

C1

さまざまなデータ構造または言語単位の自動的な整合と統合のための体系的な方法論または技術フレームワークであり、手動介入なしで同期を保証します。

abautoence

C1

自己管理メカニズムまたは自律ルーチンを通じてプロセスを体系的に自動化または合理化すること。効率を最大化し、認知負荷を軽減するために、手動タスクをバックグラウンドの技術的または習慣的なシステムに委任する行為を指します。

ablogtion

C1

ablogtionとは、オンライン上の評判を管理するために、プラットフォームからデジタル記録や時系列のログエントリを体系的に削除、消去、またはスクラブすることを意味します。

abmanless

C1

完全な自動化を通じて、システムから手動の人間による介入の必要性を取り除くこと。

activation

B2

アクティベーション(有効化)とは、装置やソフトウェアを使える状態にすることです。例えば、新しいスマホの初期設定などです。

actuator

B2

アクチュエータは、電気や空気のエネルギーを物理的な動きに変える機械部品です。

adpaterable

C1

システムやデバイスをアダプターに対応できるように改造または設定すること。

adpaterward

C1

アダプターワード(adapterward)とは、初期組み立て後に技術システムに統合される二次的な調整または補足コンポーネントであり、新しい規格との互換性を確保します。これは、レガシー部分と最新部分との間の後期同期を容易にする物理的またはデジタルの「ブリッジ」を具体的に指します。

aerospace

B2

地球の大気圏内または宇宙空間を飛行する航空機や宇宙船の設計、製造、運用に関連するもの。

algorithms

B2

アルゴリズムとは、ある特定の問題を解くための、段階的な手順や計算方法のことです。

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